Imagick::contrastImage()
Imagick::contrastImage - Change the contrast of the image
Syntax
bool Imagick::contrastImage (
bool $sharpen)
Arguments
- sharpen - The sharpen value
Description
Enhances the intensity differences between the lighter and darker elements of the image. Set sharpen to a value other than 0 to increase the image contrast otherwise the contrast is reduced.
Version
PHP PECL imagick 2.0.0
Return value
Returns TRUE on success.